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-rw-r--r--board/blaze/battery.c251
1 files changed, 0 insertions, 251 deletions
diff --git a/board/blaze/battery.c b/board/blaze/battery.c
deleted file mode 100644
index f024445f44..0000000000
--- a/board/blaze/battery.c
+++ /dev/null
@@ -1,251 +0,0 @@
-/* Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- *
- * Battery pack vendor provided charging profile
- */
-
-#include "battery.h"
-#include "battery_smart.h"
-#include "gpio.h"
-#include "host_command.h"
-#include "util.h"
-#include "console.h"
-
-/* Console output macros */
-#define CPRINTF(format, args...) cprintf(CC_CHARGER, format, ## args)
-
-/* Shutdown mode parameter to write to manufacturer access register */
-#define SB_SHUTDOWN_DATA 0x0010
-
-static struct battery_info *battery_info;
-static int support_cut_off;
-
-struct battery_device {
- char manuf[9];
- char device[9];
- int design_mv;
- struct battery_info *battery_info;
- int support_cut_off;
-};
-
-/*
- * Used for the case that battery cannot be detected, such as the pre-charge
- * case. In this case, we need to provide the battery with the enough voltage
- * (usually the highest voltage among batteries, but the smallest precharge
- * current). This should be as conservative as possible.
- */
-static struct battery_info info_precharge = {
-
- .voltage_max = 13050, /* the max voltage among batteries */
- .voltage_normal = 11400,
- .voltage_min = 9000,
-
- /* Pre-charge values. */
- .precharge_current = 392, /* mA, the min current among batteries */
-
- .start_charging_min_c = 0,
- .start_charging_max_c = 60,
- .charging_min_c = 0,
- .charging_max_c = 60,
- .discharging_min_c = 0,
- .discharging_max_c = 60,
-};
-
-
-static struct battery_info info_3s = {
-
- .voltage_max = 13050,
- .voltage_normal = 11400, /* Average of max & min */
- .voltage_min = 9000,
-
- /* Pre-charge values. */
- .precharge_current = 392, /* mA */
-
- .start_charging_min_c = 0,
- .start_charging_max_c = 60,
- .charging_min_c = 0,
- .charging_max_c = 60,
- .discharging_min_c = 0,
- .discharging_max_c = 60,
-};
-
-static struct battery_device support_batteries[] = {
- {
- .manuf = "13-1B",
- .device = "BO03037X",
- .design_mv = 11400,
- .battery_info = &info_3s,
- .support_cut_off = 1,
- },
- {
- .manuf = "13-1C",
- .device = "BO03037X",
- .design_mv = 11400,
- .battery_info = &info_3s,
- .support_cut_off = 1,
- },
- {
- .manuf = "13-1B",
- .device = "BO03032X",
- .design_mv = 11100,
- .battery_info = &info_3s,
- .support_cut_off = 1,
- }
-};
-
-#ifdef CONFIG_BATTERY_OVERRIDE_PARAMS
-/*
- * The following parameters are for 2S battery.
- * There is no corresponding params for 3S battery.
- */
-enum {
- TEMP_RANGE_10,
- TEMP_RANGE_23,
- TEMP_RANGE_35,
- TEMP_RANGE_45,
- TEMP_RANGE_50,
- TEMP_RANGE_MAX
-};
-
-enum {
- VOLT_RANGE_7200,
- VOLT_RANGE_8000,
- VOLT_RANGE_8400,
- VOLT_RANGE_MAX
-};
-
-/*
- * Vendor provided charging method
- * temp : < 7.2V, 7.2V ~ 8.0V, 8.0V ~ 8.4V
- * - 0 ~ 10 : 0.8A 1.6A 0.8A
- * - 10 ~ 23 : 1.6A 4.0A 1.6A
- * - 23 ~ 35 : 4.0A 4.0A 4.0A
- * - 35 ~ 45 : 1.6A 4.0A 1.6A
- * - 45 ~ 50 : 0.8A 1.6A 0.8A
- */
-static const int const current_limit[TEMP_RANGE_MAX][VOLT_RANGE_MAX] = {
- { 800, 1600, 800},
- {1600, 4000, 1600},
- {4000, 4000, 4000},
- {1600, 4000, 1600},
- { 800, 1600, 800},
-};
-
-static inline void limit_value(int *val, int limit)
-{
- if (*val > limit)
- *val = limit;
-}
-
-void battery_override_params(struct batt_params *batt)
-{
- int *desired_current = &batt->desired_current;
- int temp_range, volt_range;
- int bat_temp_c = DECI_KELVIN_TO_CELSIUS(batt->temperature);
-
- if (battery_info == NULL)
- return;
-
- /* Return if the battery is not a 2S battery */
- if (battery_info->voltage_max != info_2s.voltage_max)
- return;
-
- /* Limit charging voltage */
- if (batt->desired_voltage > battery_info->voltage_max)
- batt->desired_voltage = battery_info->voltage_max;
-
- /* Don't charge if outside of allowable temperature range */
- if (bat_temp_c >= battery_info->charging_max_c ||
- bat_temp_c < battery_info->charging_min_c) {
- batt->desired_voltage = 0;
- batt->desired_current = 0;
- batt->flags &= ~BATT_FLAG_WANT_CHARGE;
- return;
- }
-
- if (bat_temp_c <= 10)
- temp_range = TEMP_RANGE_10;
- else if (bat_temp_c <= 23)
- temp_range = TEMP_RANGE_23;
- else if (bat_temp_c <= 35)
- temp_range = TEMP_RANGE_35;
- else if (bat_temp_c <= 45)
- temp_range = TEMP_RANGE_45;
- else
- temp_range = TEMP_RANGE_50;
-
- if (batt->voltage < 7200)
- volt_range = VOLT_RANGE_7200;
- else if (batt->voltage < 8000)
- volt_range = VOLT_RANGE_8000;
- else
- volt_range = VOLT_RANGE_8400;
-
- limit_value(desired_current, current_limit[temp_range][volt_range]);
-
- /* If battery wants current, give it at least the precharge current */
- if (*desired_current > 0 &&
- *desired_current < battery_info->precharge_current)
- *desired_current = battery_info->precharge_current;
-}
-#endif /* CONFIG_BATTERY_OVERRIDE_PARAMS */
-
-const struct battery_info *battery_get_info(void)
-{
- int i;
- char manuf[9];
- char device[9];
- int design_mv;
-
- if (battery_manufacturer_name(manuf, sizeof(manuf))) {
- CPRINTF("[%T Failed to get MANUF name]\n");
- return &info_precharge;
- }
-
- if (battery_device_name(device, sizeof(device))) {
- CPRINTF("[%T Failed to get DEVICE name]\n");
- return &info_precharge;
- }
- if (battery_design_voltage((int *)&design_mv)) {
- CPRINTF("[%T Failed to get DESIGN_VOLTAGE]\n");
- return &info_precharge;
- }
-
- for (i = 0; i < ARRAY_SIZE(support_batteries); ++i) {
- if ((strcasecmp(support_batteries[i].manuf, manuf) == 0) &&
- (strcasecmp(support_batteries[i].device, device) == 0) &&
- (support_batteries[i].design_mv == design_mv)) {
- CPRINTF("[%T battery Manuf:%s, Device=%s, design=%u]\n",
- manuf, device, design_mv);
- support_cut_off = support_batteries[i].support_cut_off;
- battery_info = support_batteries[i].battery_info;
- return battery_info;
- }
- }
-
- CPRINTF("[%T un-recognized battery Manuf:%s, Device:%s]\n",
- manuf, device);
- return &info_precharge;
-}
-
-int board_cut_off_battery(void)
-{
- int rv;
-
- if (!support_cut_off)
- return EC_RES_INVALID_COMMAND;
-
- /* Ship mode command must be sent twice to take effect */
- rv = sb_write(SB_MANUFACTURER_ACCESS, SB_SHUTDOWN_DATA);
-
- if (rv != EC_SUCCESS)
- goto out;
-
- rv = sb_write(SB_MANUFACTURER_ACCESS, SB_SHUTDOWN_DATA);
-out:
- if (rv)
- return EC_RES_ERROR;
- else
- return EC_RES_SUCCESS;
-}
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